九九乘法表

#include<Windows.h>



#define TextHeight 20

#define TextWdith 80



LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);

int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPreInstance,LPSTR lpCmdLine,int nShowCmd)

{

	static TCHAR szAPPName[] = TEXT("MyWindows");

	HWND hwnd;

	MSG msg;

	WNDCLASS wndclass;



	wndclass.style = CS_HREDRAW | CS_VREDRAW;

	wndclass.hInstance = hInstance;

	wndclass.lpfnWndProc = WndProc;

	wndclass.cbClsExtra = 0;

	wndclass.cbWndExtra = 0;

	wndclass.hIcon = LoadIcon(NULL,IDI_APPLICATION);

	wndclass.hCursor = LoadCursor(NULL,IDC_ARROW);

	wndclass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);

	wndclass.lpszClassName = szAPPName;

	wndclass.lpszMenuName = NULL;



	if(!RegisterClass(&wndclass))

	{

		MessageBox(NULL,TEXT("这个程序需要在 windows NT 下菜能执行！"),TEXT("错误"),MB_OK | MB_ICONERROR);

		return 0;

	}



	hwnd = CreateWindow(szAPPName,TEXT("Windows编程练习"),WS_OVERLAPPEDWINDOW,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,NULL,NULL,hInstance,NULL);



	ShowWindow(hwnd,nShowCmd);



	UpdateWindow(hwnd);



	while(GetMessage(&msg,NULL,0,0))

	{

		TranslateMessage(&msg);

		DispatchMessage(&msg);

	}



	return msg.wParam;

}



LRESULT CALLBACK WndProc(HWND hwnd,UINT message,WPARAM wparam,LPARAM lparam)

{

	HDC hdc;

	PAINTSTRUCT ps;

	RECT rect;

	TCHAR szBuffer[128];

	int i,j,mul;

	TCHAR szStrings[] = TEXT("九九乘法表");



	switch(message)

	{

/*

	case WM_PAINT:

		hdc = BeginPaint(hwnd,&ps);

		GetClientRect(hwnd,&rect);

		DrawText(hdc,TEXT("This is my first window !"),-1,&rect,DT_VCENTER | DT_CENTER | DT_SINGLELINE);

		EndPaint(hwnd,&ps);

		return 0;

*/

	case WM_PAINT:

		hdc = BeginPaint(hwnd,&ps);

		TextOut(hdc ,0,10,szStrings,lstrlen(szStrings));

		for(i = 1;i < 10;i++)

		{

			for(j = 1;j <= i;j++)

			{

				mul = i*j;

				wsprintf(szBuffer,TEXT("%d x %d = %d   "),i,j,i*j);

				TextOut(hdc,TextWdith*(j - 1),20 + TextHeight*i,szBuffer,lstrlen(szBuffer));

			}



		}



		EndPaint(hwnd,&ps);

		return 0;



	case WM_DESTROY:

		PostQuitMessage(0);

		return 0;





	default:

		return DefWindowProc(hwnd,message,wparam,lparam);



	}

}